Kalendaryo ng Karera Phillip Island Grand Prix Circuit 2021
| Petsa | Serye ng Karera | Biluhaba | Pangalan ng Kaganapan |
|---|---|---|---|
| 12 Marso - 14 Marso | Porsche Sprint Challenge Australia Natapos | Round 1 | |
| 12 Marso - 14 Marso | Porsche 944 Challenge Natapos | Round 2 | |
| 12 Marso - 14 Marso | Porsche Michelin Sprint Challenge Australia Natapos | Round 1 | |
| 15 Mayo - 16 Mayo | Porsche 944 Challenge Natapos | Round 4 | |
| 25 Setyembre - 26 Setyembre | Porsche 944 Challenge Natapos | Round 7 | |
| 22 Oktubre - 24 Oktubre | Porsche Carrera Cup Australia Natapos | Round 7 | Bass Coast Festival of Motorsport |
| 23 Oktubre - 24 Oktubre | Supercars Championship Natapos | Round 17 | Bass Coast Festival of Motorsport |
| 27 Nobyembre - 28 Nobyembre | Porsche 944 Challenge Natapos | Round 5 |